You might be interested in the story of Tengelo Park.

Harris Rosen went from a childhood in a rough New York City neighborhood to becoming a millionaire whose company owns seven hotels in Orlando, but his self-made success is not his proudest achievement.

Twenty years ago, the Orlando, Fla. neighborhood of Tangelo Park was a crime-infested place where people were afraid to walk down the street. The graduation rate at the local high school was 25 percent. Having amassed a fortune from his success in the hotel business, Rosen decided Tangelo Park needed some hospitality of its own.

“Hospitality really is appreciating a fellow human being,” Rosen told Gabe Gutierrez in a segment that aired on TODAY Wednesday. “I came to the realization that I really had to now say, ‘Thank you.’’’

Rosen, 73, began his philanthropic efforts by paying for day care for parents in Tangelo Park, a community of about 3,000 people. When those children reached high school, he created a scholarship program in which he offered to pay free tuition to Florida state colleges for any students in the neighborhood.

In the two decades since starting the programs, Rosen has donated nearly $10 million, and the results have been remarkable. The high school graduation rate is now nearly 100 percent, and some property values have quadrupled. The crime rate has been cut in half, according to a study by the University of Central Florida.

“We’ve given them hope,’’ Rosen said. “We’ve given these kids hope, and given the families hope. And hope is an amazing thing.”